webpack.config.js

const path = require('path');
const Dotenv = require('dotenv-webpack');
const HtmlWebpackPlugin = require('html-webpack-plugin');

module.exports = {
  entry: './src/index.tsx',
  output: { path: path.join(__dirname, 'build'), filename: 'index.bundle.js' },
  mode: process.env.NODE_ENV || 'development',
  resolve: {
    extensions: ['.tsx', '.ts', '.js'],
    alias: {
      '@@types': path.resolve(__dirname, './src/@types'),
      '@apis': path.resolve(__dirname, './src/apis'),
      '@assets': path.resolve(__dirname, './src/assets'),
      '@common': path.resolve(__dirname, './src/common'),
      '@components': path.resolve(__dirname, './src/components'),
      '@converter': path.resolve(__dirname, './src/converter'),
      '@hooks': path.resolve(__dirname, './src/hooks'),
      '@languages': path.resolve(__dirname, './src/languages'),
      '@libs': path.resolve(__dirname, './src/libs'),
      '@pages': path.resolve(__dirname, './src/pages'),
      '@recoil': path.resolve(__dirname, './src/recoil'),
      '@style': path.resolve(__dirname, './src/style'),
      '@utils': path.resolve(__dirname, './src/utils'),
    },
  },
  devServer: {
    static: {
      directory: path.join(__dirname, 'public'),
    },
    compress: true,
    port: 3000,
  },
  module: {
    rules: [
      {
        test: /\.(js|jsx)$/,
        exclude: /node_modules/,
        use: ['babel-loader'],
      },
      {
        test: /\.(ts|tsx)$/,
        exclude: /node_modules/,
        use: ['ts-loader'],
      },
      {
        test: /\.(jpg|jpeg|png|gif|mp3|svg)$/,
        use: ['file-loader'],
      },
      {
        test: /\.css$/i,
        use: ['style-loader', 'css-loader'],
      },
    ],
  },
  plugins: [
    new Dotenv(),
    new HtmlWebpackPlugin({
      template: path.join(__dirname, 'public', 'index.html'),
    }),
  ],
};